Home / 20,855.12-31,285.73-6,062.11

Finding the Fourth Proportional to 20,855.12, 31,285.73 and 6,062.11

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Solution

The fourth proportional to 20,855.12, 31,285.73 and 6,062.11 is: 9,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.12 : 31,285.73 = 6,062.11 : x
  2. Step 2: Convert to fraction form
    20,855.12/31,285.73 = 6,062.11/x
  3. Step 3: Cross multiply
    20,855.12x = 31,285.73 × 6,062.11
  4. Step 4: Simplify right side
    20,855.12x = 189,657,615.51
  5. Step 5: Solve for x
    x = 189,657,615.51/20,855.12
  6. Step 6: Final answer
    x = 9,094.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.